714 



INDEX. 



Pupa of insects, 328 



of tlie barnacle, 396 

 Purpura lapillus, 2G3 

 Pycnogonidae, 3(j0 

 Pycnopodia, 115 

 Pygidium, 334 

 Pyrosoma gigas, 303 

 Pytbonomorpha, 500, 517 



QuOHOG, 249 



Raccoon, 615 

 Radiolaria, 36, 37 

 Rail, 544 

 Raja eglauteria, 423 



erinacea, 421 



fluviatilis, 434 



laevis, 421 

 Rana, 487 



balecina, 470 

 Raugifer caribou, 609 



tarandus, 609 

 Raptores, 548 

 Rasores, 546 

 Rat, black, 586 



blind, 586 

 Ratitaj, 538, 557 

 Rattlesnake, 499 

 Ray, 431 



sting, 434 

 Reasoning power of animals, 380 

 Redia of trematodes, 150, 151 

 Reefs, coral, formation of, 87 

 Reindeer, 609 

 Renilla reniformls, 86 

 Reproduction, 13, 643 

 Reproduction of lost parts in Hy- 

 drozoa, 53 



planarians, 144 

 Reproduction of lost parts in Ba- 



trachia, 481 

 Reptilia, characters of, 488, 517 



development of, 495 



skeleton of, 489 



sexual differences of, 491 



teetli of, 491, 499 



Reptilia, viviparous, 495, 497 

 Resemblance, protective, 487, 6 

 Respiration, organs of, 637 

 Rbabdocoela, 145 

 Rhabdopleura mirabilis, 187 

 Rampborynchus, 517 

 Rhea Americana, 539 

 Rbinicbtbys atronasus, 453 

 Rhizocrinus lofotensis, 103 

 Rbizopoda, 33, 27 

 Rhombogene, 141 

 Rbopalodina, 132 

 Rbynchocepbalia, 511, 517 

 Rliyncodesnius sylvaticus, 145 

 Rbytina Stelleri, 596 

 Robin, 556 

 Rodentia, .583, 639 

 Root barnacle, 290 

 Rotalia, 25 t 

 Rotatoria, development of, 178 



structure of, 176, 180 

 Rotifera, .176 

 Rotifer vulgaris, 176 

 Rugose corals, 84 

 Ruminantia, 605 



Saccate, 95 

 Sacculina, 290 

 Sagitta, 174 

 Salamander, 479 

 Salenoglypli snakes, 499 

 Salmo fontinalis, 452 



quinnat, 451 



salar, 452 

 Salmon, 451 

 Saliva, development of, 211, 214 



structure of, 201, 208 



spinosa, 211 

 Sarcorbamplius gryplius, 543 

 Sauropterygia, 513, 517 

 Sauropsida, 519 

 Saururae, 537, 557 

 Saw fisb, 431 

 Saw fly, 380 

 Sax i cava, 250 

 Scalpellum, 293 



